REASONS FOR USING RATS IN THE RESEARCHES:
There are various reasons for using rats as the experimental animal. Maintenance for the rats is so easy .they hide in the new places also and accustomed to the new place. They live for two or three years. So, experiments can be made for many generations. Genetic spreading among the rats under use for the experiments will be less. So, the experiments conducted among rats are very accurate. When new medicines are tested in the rats, which are having more genetic spreading, confusion may arise as to whether the existing body condition happens out of diseases or due to the medicines. If the rats put under experiments are having the same level of genetic spreading, the body condition will be the same for all. So, the effects of the medicines may be found out very clearly.
The activities of the body of the rats resemble to that of human beings. After causing the rats artificially to become diabetic, researches can be made about the vigor of the new medicines and hence rats are used in the researches.